49 lines
815 B
C
49 lines
815 B
C
#ifndef SUBPROCESS_H
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#define SUBPROCESS_H
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <errno.h>
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#include <sys/wait.h>
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#include <sys/socket.h>
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pid_t pid = NULL;
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int subprocess(char *command)
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{
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int sp[2] = {0};
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if (socketpair(AF_UNIX, SOCK_STREAM, 0, sp) == -1)
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{
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perror("socketpair");
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exit(EXIT_FAILURE);
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}
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pid = fork();
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if (pid == -1)
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{
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perror("fork");
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exit(EXIT_FAILURE);
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}
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if (!pid)
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{
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close(sp[0]);
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dup2(sp[1], STDIN_FILENO);
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dup2(sp[1], STDOUT_FILENO);
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dup2(sp[1], STDERR_FILENO);
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close(sp[1]);
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execlp(command, command, NULL);
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perror("execlp");
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exit(EXIT_FAILURE);
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}
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else
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{
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close(sp[1]);
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return sp[0];
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}
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}
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#endif
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